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Finding the Fourth Proportional to 416,606.28, 574,963.42 and 235,329.89

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Solution

The fourth proportional to 416,606.28, 574,963.42 and 235,329.89 is: 324,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,606.28 : 574,963.42 = 235,329.89 : x
  2. Step 2: Convert to fraction form
    416,606.28/574,963.42 = 235,329.89/x
  3. Step 3: Cross multiply
    416,606.28x = 574,963.42 × 235,329.89
  4. Step 4: Simplify right side
    416,606.28x = 135,306,075,801.97
  5. Step 5: Solve for x
    x = 135,306,075,801.97/416,606.28
  6. Step 6: Final answer
    x = 324,781.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.